Black & Pink Floral Dress, Plus Size 34W

Black & Pink Floral Dress Plus Size 34W* Short Flowy Sleeves with Little button at opening V-Neck Fully Lined Fabric cut to allow for flowy feel * There is no 34W size in the size options so I’ve chose 4X. Did I size this correctly those who wear this size? Excellent Condition Smoke Free HOme Fast Shipper Bust: 70" Arm Opening: 15" lying flat Shoulder to Hemline: 55"